From the product description
Bump...and watch your opponent's driver fly through the air! Hit your opponent's car straight on or sideswipe it and watch his driver eject or "chuck" through the air activating cool sounds. Cars are designed with fans that really work giving the illusion of wind power and adding to the effect. Set includes two remotes, two cars and two drivers. Cars are full functional. Requires 10 "AAA" batteries, not included. Measures 8.25" x 6.25" x 14.5".
Here's a product page with a short video of the Kid Galaxy RC Bump N Chuck Bumper Cars